根据首字母提示，写出各单词的正确形式。

1. Peter is our monitor and he never tells lies, we all think he is h_____.

2. There's n_____ in the bottle. It's empty.

3. —How old are you, Mrs Green?  

    —Oh, sorry. It's a s_____.

4. Many visitors come to Tian'anmen S_____ every day.

5. Xiao Wang is a top student. He always answers the questions c_____.

6. My cousin always w_____ a smile on his face and looks happy.

7. I feel really u_____ when I sit on the old sofa.

8. —I am very n_____ when I speak in class.  

    —There's no need to be afraid next time.

9. —I want to be a doctor in the f_____.

    —So do I .

10. I don't know what to do? Can you give me some a_____.

11. Liu Xiang is one of the best r_____ in China.